Rotary web printing press



Oct. 13,1936;

I H. M. BARBER ROTARY WEB PRTNTING PRES Filed Jan. 4, 1955 4 Sheet-Sheet1 INVENTOR A TTNE Y6 Oct. 13, 1936. H. M. BARBER ROTARY WEB PRINTINGPRESS Filed Jan. 4, 1955 4 Sheets-Sheet 2 INVENITOR WWW ATTORNEYS Oct;13, 1936. H. M. BARBER ROTARY WEB PRINTING PRESS Filed Jan. 4, 1935 4Sheets-Shee t 5 I [NVENTOR gm/22M A TTORNE Y5 Oct. 13, 1936. H. M.BARBER ROTARY WEB PRINTING PRESS INVENTOR ATTRN Y8 Patented Oct. 13,1936 UNITED STATES V ROTARY WEB PRINTING PRESS Howard M. Barber,Pawcjatuclr, Conn, assignor to 0., B. Cottrell &

Sons Company, Westerly,

I R. I., a corporation of Delaware 1 Application January 4, 1935, SerialNo. 345

12 Claims. 01. 101 178) My invention relates to that class of multicolorrotary web printing presses in which change form cylinders are used, sothat form cylinders of different corresponding diameters may be used 5.with a minimum amount of change, adjustment and substitution of parts.

My invention comprises generally an impression cylinder and a pluralityof change form cylinders located upon opposite sides thereof, the

impression cylinder and certain of the change form cylinders beingbodily movable, preferably in a horizontal plane or-planes, to bring theimprcssion cylinder and said last named change form cylinders into andout of operative position.

My invention comprises, in one embodiment, an impression cylinder havingthree change form cylinders located upon one side and a single changeform cylinder located upon the opposite side, the impression cylinderand a change form cylinder on one side and the change form cylinder onthe opposite side of the impression cylinder being bodily movable tobring the impression and change form cylinders into and out of operativeposition.

My invention also comprises, in another embodiment, an impressioncylinder having three change form cylinders located upon one side and 7two change form cylinders upon the other side, theimpression cylinderand a change form cylinder on one side and the two change form cylinderson the-other side being bodily movable into and out of operativeposition.

Practical embodiments of my invention are 5 represented in theaccompanying drawings, in which a Fig. 1 represents a detail sideelevation, partly in section, showing an impression cylinder having fourchange form cylinders, three being 10- cated upon one side and one uponthe other side of the impression cylinder, the change form cylindersbeing of relatively large corresponding diameters;

Fig. 2 represents a similar view in which the change form cylinders areof smaller corresponding diameters; V

Fig. 3 represents a detail side elevation, partly in section, showing animpression cylinder having five change form cylinders, three beinglocated upon one side and two upon the other side of the impressioncylinder, the change form cylinders being of relatively largecorresponding diameters; and v V M Fi 4 represents a similar view inwhich the change form cylinders are of smaller corresponding diameters.i

The main frame of the press is denoted by I-, in each side of which theimpression cylinder 2 has its shaft 3 mounted in a horizontally movablebearing l.

' In Fig. 1 I have shown a group of three rela- V tively large changeform cylinders 5, 6, I, located upon one side of the impression cylinder2 and asingle change form cylinder 8 located upon the other side of theimpression cylinder; all of said change form cylinders being ofcorresponding diameters and their shafts being denoted by 9, I0, II andI2 respectively.

In Fig.2 I have shown a group of-three rela- 15 tively small change formcylinders I3, I4, I5, located upon one side ofthe impression cylinder2'and a single change form cylinder I6 located upon the opposite sideofthe impression cylinder; all of the said change form cylinders being ofcorresponding diameters and their shafts be- 20 ing denoted by IT, I8,I9 and 20 respectively.

In Fig.3 I have shown the group of three relatively large change formcylinders 5, 6, 'I and their shafts 9,10, II, located upon one side ofthe impression cylinder 2, while upon the other 25 side of theimpression cyinder 'I have shown two change form cylinders 2|, 22 of thesame diameters and their shafts 23, 24.

In Fig. 4 I-have shown the group of three relatively small change formcylinders I3, I4, 30 I5 and their shafts I'I, I8, I9, located upon oneside of the impression cylinder, while upon the other side of theimpression cylinder I have shown two change form cylinders 25, 26 ofthe: same diameters and their shafts 21, 28. 35

Bearings 29, 30, 3I are provided in each side of the-main frame formounting either the shafts 9, IEI,"II of the larger change formcylinders 5, B, I or the shafts ll, I8, I9 of the smaller change formcylinders l3, I4, I5.

A bearing 32 is provided in each side of the main frame for mountingeither the shaft l2 of the larger change'form cylinder 8 or the shaftZII-of the smaller change formcylinder I6. Bearings 33-, 34 areprovidedfineach side of the main frame for mounting either the shafts23,24 of the'larger change'form cylinders 2|,

22 or the shafts 27, 28 of the smaller change form cylinders-25, 26.

' In theembodiment illustrated in Figs. 1 and 2; 50

each bearing 4 for the impression cylinder shaft 3 is provided with aloop extension 35, in which the be'aring"32 for-either the shaft I2 ofthe larger 1, change form cylinder 5 or-the-shaft 20' of the smallerchange form cylinder I6 is movable in a horizontal plane. This loopbearing extension 35 is further provided with upper and lower arms 36,31.

Means are shown for moving the impression cylinder 2 and either thechange form cylinder 8 or change form cylinder I6 bodily together, saidmeans being as follows:

A hand wheel 38 on an upper cross shaft 39 has at each side of themachine frame a sprocket wheel 48 connected by a chain M with a lowersprocket wheel 42 on a cross shaft 43. These cross shafts 39 and 43 haveworm-and gear connections 44, 45 and 46, 41 with screw shafts 48, 49,carried by the upper and lower arms 36, 3? of the bearing extension 35,said screws engaging the main frame I.

Means are provided for independently moving the bearing 32 for eitherthe shaft I2 of the larger change form cylinder or the shaft 28 of thesmaller change form cylinder in a horizontal plane in the loopextensions 35 of the impression cylinder shaft bearings 4, which meanscomprises the following elements:

A hand wheel 58 on a cross shaft 5| is provided at each side of the mainframe with a sprocket wheel 52 connected by a chain 53 with a sprocketwheel 54 on a stud shaft 55, which stud shaft has a worm and gearconnection 56, El with a screw shaft 58 connected to the bearing 32.

A screw shaft 59 serves to lock the impression cylinder shaft bearing 4in its adjusted position and a screw shaft 68 serves to lock the changecylinder shaft bearing 32 in its adjusted position.

In the form shown in Figs. 3 and 4, the bearing 4 for the impressioncylinder shaft 3 at each side of the main frame is provided with alouble loop extension 6| in which the upper and lower bearings 33, 34for either the shafts 23, 24 of the larger change form cylinders 2|, 22or the "fails 2'1, 28 of the smaller change form cylinders 25, 26 aremovable in horizontal planes. Each bearing extension 6| is provided withan upper arm 62 and a lower arm 63.

Means are provided for moving the impression cylinder bearings 4 and thechange form cylinder bearings 33 and 34 bodily together, which means isherein shown as comprising the following elements:

A hand wheel 64 on an upper cross shaft 65 is provided at each side ofthe main frame with a sprocket wheel 66 connected by a chain 6! with asprocket 68 on a lower cross shaft 69. The upper cross shaft 65 has aworm and gear connection I0, II with a screw shaft I2 carried by theupper arm 62 of the bearing extension 6| and engaging the main frame.The lower cross shaft 69 has a worm and gear connection I3, I4 with ascrew shaft I5 carried by the lower arm 63 of the bearing extension 6|and engaging the main frame.

The bearings 33 for either the shaft 23 of the larger change formcylinder 2| or the shaft 21 of the smaller change form cylinder arebodily movable in a horizontal plane in the impression cylinder bearingextensions 6|, as follows:

A hand wheel I6 on a cross shaft 11 has at each side of the main frame asprocket wheel I8 connected by a chain "I9 with a sprocket 8|] carriedby a stud shaft 8|, which stud shaft has a worm and gear connection 82,83 with a screw shaft 84 connected to the 'bearing33.

Similarly, the bearings 34 for either the shaft 24 of the larger changeform cylinder 22 or the shaft 28 of the smaller change form cylinder 25are bodily movable in a horizontal plane in the impression cylinderbearing extensions 6|, as follows:

A hand wheel 85 on a cross shaft 86 has at each side of the main frame asprocket wheel 8'! connected by a chain 88 with a sprocket wheel 89 on astud shaft 90, which stud shaft has a worm and gear connection 9|, 92with a screw shaft 93 connected to the bearing 34.

The screw shaft 59 serves also in this form to lock the impressioncylinder shaft bearing 4 in its adjusted position. A screw shaft 95serves to lock the change form cylinder bearing 33 in its adjustedposition. A screw shaft 96 serves to lock the change form cylinderbearing 34 in its adjusted position.

In both of the forms illustrated the change form cylinder bearings aremoved bodily in a horizontal plane, the means for accomplishing thisresult being shown as follows:

A-hand wheel 91 on a cross shaft 98 is provided at each side of themachine with a sprocket wheel 99 connected by a sprocket chain I88 witha sprocket wheel IIII on a stud shaft I82, which stud shaft has a wormand gear connection I63, I84 with a screw shaft I65 engaging eachbearing 38. A screw shaft I86 is provided for locking each bearing 38 inits adjusted position.

The bearings 29 and 3| for the lower and upper change form cylinders 5and 'I at each side of the machine are provided with the. usualindividual adjusting means for alining the change form cylinder shafts 9and II permanently with respect to the impression cylinder shaft 3.

Inking mechanisms I01, I88, I09 are mounted in a frame III) in positionto be brought into and out of coaction with either the larger changeform cylinders 5, 6, I or the smaller change form cylinders I3, I4, I5,located upon one. side of the impression cylinder.

In the form shown in Figs. 1 and 2, I have provided an inking mechanismIII mounted in a frame I I2 in position to be brought into and out ofcoaction with either the larger change form cylinder 8 or the smallerchange form cylinder I6, located upon the opposite side of theimpression cylinder.

In the form illustrated in Figs. 3 and 4, I have shown inking mechanismsH3, H4 mounted in a frame H5 in position to be brought into and out ofcoaction with either the two larger change form cylinders 2|, 22 or thetwo smaller change form cylinders 25, 26.

The web to be printed is denoted by I I6 and the impression web isdenoted by M1. Any well known or approved means, not shown herein, maybe provided for imparting the proper movements to the web to be printedand the impression web. Any well known or approved means may also beprovided for driving the impression and change form rolls as well as theinking mechanisms.

The impression web shown and described, but not claimed herein, formsthe subject matter of my copending application filed of even dateherewith, Serial No. 343.

While I have shown change form cylinders of two corresponding diametersit is to be understood that these change form cylinders may be of anydesired diameter.

From the above description it will be seen that in both formsillustrated I have provided means whereby a selected change formcylinderupon one side of the impression cylinder may be moved independentlythereof. In the form shown in Figs. 1 and 2 the impression cylinder maynot only be moved together with its change form cylinder on the otherside thereof but said change form cylinder may be moved independently ofthe impression cylinder. In the form shown in Figs. 3 and 4 the twochange form cylinders may not only be moved with the impression cylinderbut also independently thereof and independently of each other.

It is evident that various changes may be resorted to in theconstruction, form and arrangement of the several parts withoutdeparting from the spirit and scope of my invention, and hence I do notintend to be limited to the particular embodiments herein shown anddescribed, but what I claim is: V a

1. In a multi-color rotary web printing press, an impression cylinder, achange form cylinder for coaction therewith, means for bodily moving theimpression cylinder and change form cylinder together and means forbodily moving the change form cylinder independently of the impressioncylinder.

2. In a multi-color rotary web printing press, an impression cylinder,two change form cylinders for coaction therewith, means for bodilymoving the impression cylinder and change form cylinders together andmeans for bodily moving the change form cylinders independently of theimpression cylinder.

3. In a multi-color rotary web printing press, an impression cylinder,two change form cylinders for coaction therewith, means for bodilymoving the impression cylinder and change form cylinders together andmeans for bodily moving the change form cylinders independently of theimpression cylinder and independently of each other.

4. In a multi-color rotary web printing press, an impression cylinder, aplurality of change form cylinders for coaction therewith, located uponopposite sides of the impression cylinder, means for bodily moving theimpression cylinder and a change form cylinder upon one side thereoftogether, means for bodily moving said change form cylinderindependently of the impression cylinder and means for bodily moving achange form cylinder upon the opposite side of the impression cylinderindependently thereof.

5. In a multi-color rotary web printing press, an impression cylinder, aplurality of change form cylinders for coaction therewith, locateduponeach side of the impression cylinder, means for bodily moving theimpression cylinder and two change form cylinders upon one side thereoftogether, means for bodily moving said two change form cylindersindependently of the impression cylinder, and means for bodily moving achange form cylinder upon the opposite side of the im pression cylinderindependently thereof.

6. In a multi-color rotary web printing press, an impression cylinder, aplurality of change form cylinders for coaction therewith, located uponeach side of the impression cylinder, means for bodily moving theimpression cylinder and two change form cylinders upon one side thereoftogether, means for bodily moving said two change form cylindersindependently of the impression cylinder and independently of each otherand means for bodily moving a change form cylinder upon the oppositeside of the impression cylinder independently thereof.

7. In a multi-color rotary web printing press, an impression cylinder,four change form cylinders, three located upon one side and one upon theother side of the impression cylinder, means for bodily moving theimpression cylinder and said one change form cylinder together, andmeans for bodilymoving the last named change form cylinder independentlyof the impression cylinder.

8. In a multi-color rotary web printing press, an impression cylinder,four change form cylin-v ders, three located upon one side and one uponthe other side of the impression cylinder, means for bodily moving theimpression cylinder and said one change form cylinder together in thesame horizontal plane, and means for bodily moving the last named changeform cylinder independently of the impression cylinder.

9. In a multi-color rotary web printing press, an impression cylinder,five change form cylinders, three located upon one side and two upon theother side of the impression cylinder, means for bodily moving theimpression cylinder and said two change form cylinders together, andmeans for bodily moving the last named two change form cylindersindependently of the impression cylinder.

10. In a multi-color rotary web printing press, an impression cylinder,five change form cylinders, three located upon one side and two upon Ithe other side of the impression cylinder, means for bodily moving theimpression cylinder and said two change form cylinders together, andmeans for bodily moving the last named two change form cylindersindependently of the impression cylinder and independently of eachother.

11. In a multi-color rotary web printing press,

' an impression cylinder, five change form cylinders, three located uponone side and two upon the other side of the impression cylinder, meansfor bodily moving the impression cylinder and said two change formcylinders together in the same horizontal plane, and means for bodily

